CW

See:

• Modes
• Morse code/Codes and Alphabets
• What is the best way to learn Morse?

Modes of operation
Modes	CW * AM * FM * SSB * Digital * Echolink * Emission Classification * IRLP * Optical communications
Packet	APRS * D-Star
SSTV and ATV	SSTV frequencies * SSTV Modes